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Finding the Fourth Proportional to 562,638.75, 843,671.07 and 183,315.57

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Solution

The fourth proportional to 562,638.75, 843,671.07 and 183,315.57 is: 274,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,638.75 : 843,671.07 = 183,315.57 : x
  2. Step 2: Convert to fraction form
    562,638.75/843,671.07 = 183,315.57/x
  3. Step 3: Cross multiply
    562,638.75x = 843,671.07 × 183,315.57
  4. Step 4: Simplify right side
    562,638.75x = 154,658,043,089.56
  5. Step 5: Solve for x
    x = 154,658,043,089.56/562,638.75
  6. Step 6: Final answer
    x = 274,879.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.